/Engine/Source/Runtime/Core/Public/GenericPlatform/GenericPlatformCrashContext.h
Gets the portable callstack to a specified stack and puts it into OutCallStack
virtual void GetPortableCallStack ( const uint64 * StackFrames, int32 NumStackFrames, [TArray](API\Runtime\Core\Containers\TArray)< [FCrashStackFrame](API\Runtime\Core\GenericPlatform\FCrashStackFrame) > & OutCallStack ) const